Lexmark 4500-00 Series, Service Manual

Page: 63 / 246

Diagnostic information
2-33
4500–E320/E322
Printer symptom table
Symptom Action
Dead machine (no power) See the “Dead machine service
check ” on page 2-71 .
Fan noisy or not working See the “Cooling fan service check
(E320/E322) ” on page 2-65 or
“Cooling fan service check (E220/
E321/E323) ” on page 2-66
.
Fuser parts melted See the “Hot fuser service check ” on
page 2-76 .
Fuser lamp doesn’t light See the “Hot fuser service check ” on
page 2-76 .
Toner not fused to the paper See the “Hot fuser service check ” on
page 2-76 .
Main motor noisy or not moving See the “Main motor service check ”
on page 2-77 .
Paper skew See the “Paper feed service checks ”
on page 2-81 .
Printer not communicating with
host See the “Parallel port service check ”
on page 2-85 .
Top cover will not close See the “Cover interlock switch
service check (E320/E322) ” on
page 2-69
or “Cover interlock switch
service check (E220/E321/E323) ” on
page 2-70
.
Operator panel button not
responding See the “Operator panel button
service check ” on page 2-78 .
Operator panel lights do not
light or very dim See the “Operator panel service
check ” on page 2-79 .
Blank page See the “Blank page ” on page 2-86 .
Black page See the “Black page ” on page 2-87 .
Heavy background See the “Heavy background ” on
page 2-88 .
Light print See the “Light print ” on page 2-90 .